滑板手推车

carolfeeling

# Q7 j) K0 Y& v3 c' y! _将滑板车与手推车组合到一起，不仅能够提高工作效率，还能够让人工作时忙里偷闲的娱乐一下。os.tvboxnow.com: ?; o% I" I) w7 S1 [3 ?

' o. S5 h  y8 p  @" W0 f该产品车体重量为115磅，载货量100磅。* Y! Y2 N  `" \. y9 I
尺寸为：60 x 30 x 42英寸

limsp5

From the view point of physics it is not efficient. When you use both feet you are applying two forces.